package com.deepexps.security.config;

import cn.hutool.json.JSONUtil;
import com.deepexps.security.commen.Message;
import com.deepexps.security.commen.ResponseResult;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 登录失败处理器
 * @author moyi
 */
@Component
public class LoginFailureHandler implements AuthenticationFailureHandler {

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {

        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream outputStream = response.getOutputStream();

        ResponseResult result = ResponseResult.getError(Message.SYS_LOGIN_ERROR);

        outputStream.write(JSONUtil.toJsonStr(result).getBytes("UTF-8"));

        outputStream.flush();
        outputStream.close();
    }
}
